Are your neighbors from a different country? Could it possibly be for an exorcism? Many years ago I lived in Pasadena, TX, and rumor had it that the Mexican family who lived down the street were known to perform exorcisms. They were sacrificing goats.Having seen the movie The Exorcist, hearing that really creeped me out!
@SandyKnee: Yes, I believe they are. Husband and Wife (or the couple - I don't know if they are married) participate together during the process. He wears a white cap of sort while she stands and watches. They save the pelt and put the remains on a plate, sitting on the ground, surrounded by lit candles, flowers, and sticks that resemble lengths of cane in a tall container. They also maintain a "dog house" which is filled with candles resting at different heights. This goes on 2-3 times a week - I know (not from watching but..) from the sounds that make their way over the fence.
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